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Finding the Fourth Proportional to 341,365.20, 512,339.40 and 152,116.80

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Solution

The fourth proportional to 341,365.20, 512,339.40 and 152,116.80 is: 228,305.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,365.20 : 512,339.40 = 152,116.80 : x
  2. Step 2: Convert to fraction form
    341,365.20/512,339.40 = 152,116.80/x
  3. Step 3: Cross multiply
    341,365.20x = 512,339.40 × 152,116.80
  4. Step 4: Simplify right side
    341,365.20x = 77,935,430,041.92
  5. Step 5: Solve for x
    x = 77,935,430,041.92/341,365.20
  6. Step 6: Final answer
    x = 228,305.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.